Home / 16,130.40-22,261.04-8,961.16

Finding the Fourth Proportional to 16,130.40, 22,261.04 and 8,961.16

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Solution

The fourth proportional to 16,130.40, 22,261.04 and 8,961.16 is: 12,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.40 : 22,261.04 = 8,961.16 : x
  2. Step 2: Convert to fraction form
    16,130.40/22,261.04 = 8,961.16/x
  3. Step 3: Cross multiply
    16,130.40x = 22,261.04 × 8,961.16
  4. Step 4: Simplify right side
    16,130.40x = 199,484,741.21
  5. Step 5: Solve for x
    x = 199,484,741.21/16,130.40
  6. Step 6: Final answer
    x = 12,367.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.